package cn.edu.scau.cmi.lijiongtao.consistentComposite;

public class USA extends WorldOrganization{
	String greeting = "Hi. Nice to meet you.";
	public String say() {
		return greeting;
	}
	public void add(WorldOrganization wo) {
		
	}
	public void remove(WorldOrganization wo) {
		
	}
}
